directional antenna

读音

汉语翻译

【电】 定向天线

英语解释:

名词 directional antenna:

  1. an antenna that transmits or receives signals only in a narrow angle

例句:

  1. A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.
    无线方向探测器一种无线电接收和指向天线系统,用来确定收到的无线电信号的角方向
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